12078912 has 56 divisors (see below), whose sum is σ = 32589216. Its totient is φ = 3947008.

The previous prime is 12078883. The next prime is 12078919. The reversal of 12078912 is 21987021.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12078912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12078919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9583 + ... + 10769.

Almost surely, 2^12078912 is an apocalyptic number.

12078912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12078912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16294608).

12078912 is an abundant number, since it is smaller than the sum of its proper divisors (20510304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12078912 is a wasteful number, since it uses less digits than its factorization.

12078912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255 (or 1245 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 12078912 is about 3475.4729174603. The cubic root of 12078912 is about 229.4435951966.

The spelling of 12078912 in words is "twelve million, seventy-eight thousand, nine hundred twelve".